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Finding the Third Proportional to 28,433,778 and 61,398,288

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Solution

The third proportional to 28,433,778 and 61,398,288 is: 132,579,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433,778 : 61,398,288 = 61,398,288 : x
  2. Step 2: Convert to fraction form
    28,433,778/61,398,288 = 61,398,288/x
  3. Step 3: Cross multiply
    28,433,778x = 61,398,288 × 61,398,288
  4. Step 4: Simplify right side
    28,433,778x = 3,769,749,769,330,944
  5. Step 5: Solve for x
    x = 3,769,749,769,330,944/28,433,778
  6. Step 6: Final answer
    x = 132,579,981.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.